The Water and Drainage History of Philadelphia, Part 2
Down Under!
The Sad History of Frankford Creek
Streams, islands, and ferries of early Philadelphia
Dauphin and Sydenham car crash, Jan. 17, 1978
Half a Century of Clean Water
Thomas Run sewer outlet at Cobbs Creek
69th St. Sewer and Culvert across Lansdowne AVe.
Duplex Pumping Engine, Belmont Works